Table 4.

Quadratic weighted Kappa scores.

	Quadratic Weighted K (95% CI)
	Referable DR	Gradability	Hospital Referable
Primary vs. Secondary	0.60 (0.57, 0.63)	0.60 (0.58, 0.61)	0.60 (0.58, 0.61)
Final grade (GT) vs. Primary	0.66 (0.64, 0.69)	0.67 (0.65, 0.68)	0.67 (0.66, 0.69)
Final grade (GT) vs. Secondary	0.84 (0.83, 0.86)	0.84 (0.83, 0.85)	0.84 (0.84, 0.85)
VISUHEALTH-AI DR vs. GT	0.47 (0.44, 0.50)	0.54 (0.52, 0.56)	0.51 (0.50, 0.53)